The effects of technical and formulated forms of profenofos on the metabolic lipid fractions of the liver, brain and kidneys as well as the activity of glucose-6-phosphate dehydrogenase (G6PD) and 6-phosphogluconate dehydrogenase (6PGD), which consider lipid related enzymes, were studied. The two forms of profenofos were given separately either orally or by dermal at doses of 1/20 LD<sub>50</sub> for 3 months (one dose every 48 h). Total lipids and lipid fractions (cholesterol, triglycerides and phospholipid contents) decreased in the three studied organ tissues either in technical or formulated profenofos-induced rats compared with normal control animals. The highest effect was observed in the case of orally formulated profenofo induction, and the lowest was detected for the dermal technical one. The same trend was found in the activities of G6PD and 6PGD associated with lipid metabolism in the liver, brain and kidney tissues under the same conditions. On other hand, the treatment of profenofos-induced animals by feeding a wheat germ rich diet (as antioxidant agent) produced significant improvements in both lipid fraction content and enzyme activity. In addition, the effects of the wheat germ rich diet (α-tocopherol rich source) readjusted and improved the disturbed metabolic fractions of the lipid profiles in the profenofos-induced rats as well as their related enzyme activities (G6PD and 6PGD: oxidative pentose phosphate shunt).<br><br>El efecto de formas técnicas o formuladas de profenofós en la fracción lipídica metabólica de hígado, cerebro y riñones así como la actividad de la glucosa-6-fosfato deshidrogenasa (G6PD) y 6-fosfogluconato deshidrogenasa (6PGD), que son consideradas enzimas relacionadas con los lípidos, fueron estudiadas. Ambas formas de profenofós fueron suministradas separadamente tanto por vía oral como cutánea a una dosis de 1/20 LD<sub>50</sub> durante 3 meses (una dosis cada 48 horas). Los lípidos totales y fracciones lipídicas (contenido de colesterol, triglicéridos y fosfolípidos) decrecieron en los tres órganos estudiados de ratas tratadas con profenofós tanto técnicos como formulado comparado con animales control. El mayor efecto fue observado en el caso de tratamientos orales con profenofós formulados, mientras que el más bajo fue detectado para el tratamiento cutáneo con profenofós técnicos. La misma tendencia fue encontrada en las actividades de G6PD y 6PGD asociadas con el metabolismo lipídico de tejidos de hígado, cerebro y riñón bajo las mismas condiciones. Por otra parte, animales tratados con profenofós y alimentados con una dieta rica en germen de trigo (como agente antioxidante) produjo una significativa mejora tanto en el contenido de las fracciones lipídicas como en la actividad enzimática. Es más, el efecto de dietas ricas en germen de trigo (fuente rica de α-tocoferol) reajustó y mejoró el trastorno metabólico del perfil lipídico de las fracciones en ratas tratadas con profenofós, así como su actividad enzimática relacionada (G6PD y 6P...
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